9798984 has 144 divisors (see below), whose sum is σ = 31203900. Its totient is φ = 2757888.

The previous prime is 9798973. The next prime is 9799019. The reversal of 9798984 is 4898979.

It can be written as a sum of positive squares in 2 ways, for example, as 9474084 + 324900 = 3078^2 + 570^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9798984.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 337882 + ... + 337910.

Almost surely, 2^9798984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9798984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15601950).

9798984 is an abundant number, since it is smaller than the sum of its proper divisors (21404916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9798984 is a wasteful number, since it uses less digits than its factorization.

9798984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 66 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 9798984 is about 3130.3328896461. The cubic root of 9798984 is about 213.9901005698.

The spelling of 9798984 in words is "nine million, seven hundred ninety-eight thousand, nine hundred eighty-four".